Footwear sole



FIG. 1 is a bottom view of a footwear sole according to the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a perspective view thereof. 

CLAIM The ornamental design for the footwear sole, as shown. 